2 files changed, 18 insertions, 0 deletions
diff --git a/rest_framework/tests/models.py b/rest_framework/tests/models.py
index cbdc765c..59d81150 100644
--- a/rest_framework/tests/models.py
+++ b/rest_framework/tests/models.py
@@ -35,6 +35,13 @@ def foobar():
     return 'foobar'
 
 
+class CustomField(models.CharField):
+
+    def __init__(self, *args, **kwargs):
+        kwargs['max_length'] = 12
+        super(CustomField, self).__init__(*args, **kwargs)
+
+
 class RESTFrameworkModel(models.Model):
     """
     Base for test models that sets app_label, so they play nicely.
@@ -113,6 +120,7 @@ class Comment(RESTFrameworkModel):
 class ActionItem(RESTFrameworkModel):
     title = models.CharField(max_length=200)
     done = models.BooleanField(default=False)
+    info = CustomField(default='---', max_length=12)
 
 
 # Models for reverse relations
diff --git a/rest_framework/tests/serializer.py b/rest_framework/tests/serializer.py
index fb1be7eb..814c2499 100644
--- a/rest_framework/tests/serializer.py
+++ b/rest_framework/tests/serializer.py
@@ -41,6 +41,7 @@ class CommentSerializer(serializers.Serializer):
 
 
 class ActionItemSerializer(serializers.ModelSerializer):
+    
     class Meta:
         model = ActionItem
 
@@ -247,6 +248,15 @@ class ValidationTests(TestCase):
         self.assertEquals(serializer.is_valid(), False)
         self.assertEquals(serializer.errors, {'title': [u'Ensure this value has at most 200 characters (it has 201).']})
 
+    def test_default_modelfield_max_length_exceeded(self):
+        data = {
+            'title': 'Testing "info" field...',
+            'info': 'x' * 13,
+        }
+        serializer = ActionItemSerializer(data=data)
+        self.assertEquals(serializer.is_valid(), False)
+        self.assertEquals(serializer.errors, {'info': [u'Ensure this value has at most 12 characters (it has 13).']})
+
 
 class MetadataTests(TestCase):
     def test_empty(self):